In this photo provided by the Las Vegas News Bureau, country music singer Keith Urban performs at the Hard Rock Hotel & Casino in Las Vegas during his 2010 Summer Lovin Tour Friday, April 23, 2010. (AP ... more

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In this photo provided by the Las Vegas News Bureau, country music... Photo-1180692.16556 - Houston Chronicle

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Musician Jack Ingram performs onstage during the 45th annual Academy of Country Music Awards rehearsals held at the MGM Grand Garden Arena on April 15, 2010 in Las Vegas, Nevada. (Photo by Kevin Winter/Getty Images) less

Musician Jack Ingram performs onstage during the 45th annual Academy of Country Music Awards rehearsals held at the MGM Grand Garden Arena on April 15, 2010 in Las Vegas, Nevada. (Photo by Kevin Winter/Getty ... more

In this April 18, 2010 file photo, Kenny Chesney performs at the 45th Annual Academy of Country Music Awards in Las Vegas. Chesney is poised to reach a milestone _ and perhaps clear a path _ as he readies for an Aug. 13 visit to New Jersey's New Meadlowlands Stadium. Chesney has already sold more than 44,000 tickets, making it the hottest country ticket in the New York City-New Jersey area since Willie Nelson, Waylon Jennings, Merle Haggard and Linda Ronstadt drew more than 51,000 in 1983. (AP Photo/Matt Sayles, File) less

In this April 18, 2010 file photo, Kenny Chesney performs at the 45th Annual Academy of Country Music Awards in Las Vegas. Chesney is poised to reach a milestone _ and perhaps clear a path _ as he readies for ... more

Musician Luke Bryan performs during the 43rd annual Academy Of Country Music Awards All-Star Jam held at the MGM Grand Hotel/Casino on May 18, 2008 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ACMA) less

Musician Luke Bryan performs during the 43rd annual Academy Of Country Music Awards All-Star Jam held at the MGM Grand Hotel/Casino on May 18, 2008 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ... more

Singer Reba McEntire performs during the 43rd annual Academy Of Country Music Awards All-Star Jam held at the MGM Grand Hotel/Casino on May 18, 2008 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ACMA) less

Singer Reba McEntire performs during the 43rd annual Academy Of Country Music Awards All-Star Jam held at the MGM Grand Hotel/Casino on May 18, 2008 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images ... more

Colombian singer/songwriter Juanes performs at The Joint inside the Hard Rock Hotel & Casino as he tours in support of his latest album, "P.A.R.C.E." March 18, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images) less

Colombian singer/songwriter Juanes performs at The Joint inside the Hard Rock Hotel & Casino as he tours in support of his latest album, "P.A.R.C.E." March 18, 2011 in Las Vegas, Nevada. (Photo by Ethan ... more

Musician Luke Bryan performs during the 43rd annual Academy Of Country Music Awards All-Star Jam held at the MGM Grand Hotel/Casino on May 18, 2008 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ACMA) less

Musician Luke Bryan performs during the 43rd annual Academy Of Country Music Awards All-Star Jam held at the MGM Grand Hotel/Casino on May 18, 2008 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for ... more